def change_stream_method(option=''):
# DEBUG: why do I need the global Camera?
global Camera
# when not specify option, use the request
if option is '':
new_stream_method = request.args.get('stream_method', 'PiCamera')
option = new_stream_method
if option == 'OpenCV':
print('Change the stream method to OpenCV')
# only change the stream method if the current one is not right
if Camera.stream_method == 'PiCamera':
Camera.stop_stream()
from camera_pi_cv import Camera
Camera.stream_method = 'OpenCV'
Camera.start_stream()
time.sleep(0.1)
elif option == 'PiCamera':
print('Change the stream method to Picamera')
# only change the stream method if the current one is not right
if Camera.stream_method == 'OpenCV':
Camera.stop_stream()
from camera_pi import Camera
Camera.stream_method = 'PiCamera'
Camera.start_stream()
time.sleep(0.1)
def settings_io():
''' swap between opencv and picamera for streaming'''
# set default value for the stream_method
try:
Camera.stream_method
except AttributeError:
Camera.stream_method = 'PiCamera'
zoom_value = request.args.get('zoom_value', '')
config_update = request.args.get('config_update', '')
stop_flag = request.args.get('stop', '')
if zoom_value is not '':
# only change zoom when passing an arg
Camera.change_zoom(zoom_value)
if config_update == 'true':
Camera.update_camera_setting()
if stop_flag == 'true':
Camera.stop_stream()
with open('config_picamera.yaml') as config_file:
config = yaml.load(config_file)
default_LED_RGB = config['default_LED_RGB']
print(default_LED_RGB)
settings = {
'stream_method': Camera.stream_method,
'available_arduino_boards': Arduinos.available_arduino_boards,
'default_LED_RGB': default_LED_RGB
}
return jsonify(settings)
